Details

new config:
hadoop.security.service.user.name.key
this setting points to the server principal for RefreshUserToGroupMappingsProtocol.
The value should be either NN or JT principal depending if it is used in DFAdmin or MRAdmin. The value is set by the application. No need for default value.

new config:
hadoop.security.service.user.name.key
this setting points to the server principal for RefreshUserToGroupMappingsProtocol.
The value should be either NN or JT principal depending if it is used in DFAdmin or MRAdmin. The value is set by the application. No need for default value.